diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ee1ac1c..8fbdef1 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -580,6 +580,14 @@
 
 	  If unsure, say N.
 
+config DEBUG_VM_PGFLAGS
+	bool "Debug page-flags operations"
+	depends on DEBUG_VM
+	help
+	  Enables extra validation on page flags operations.
+
+	  If unsure, say N.
+
 config DEBUG_VIRTUAL
 	bool "Debug VM translations"
 	depends on DEBUG_KERNEL && X86